Ricoh Bc-C1, Field Service Manual

Page: 130 / 268

Electrical Components
• Unplug the machine power cord before starting the following procedure.
MPU
• The battery on the control board can explode if replaced incorrectly.
• Dispose of the old battery in accordance with the instructions.
1. Rear cover ( page 68 )
2. Remove the EEPROM [A] from the old MPU.
3. [A]
4. MPU [B] ( x 7, x all)
5. Install the new MPU.
6. Install the old EEPROM on the new MPU.
7. Replace the EEPROM if the EEPROM on the old MPU is defective.
4. Replacement and Adjustment
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